The following plot shows a titration curve for the titration of 1.00 L of 1.00 M diprotic acid H2A+ with NaOH.Which point a-d represents the isoelectric point? 
Definitions:
Vital Signs
Vital signs are a group of the four to six most important medical signs that indicate the status of the body’s vital (life-sustaining) functions, including temperature, pulse, respiration, and blood pressure.
Suicidal Ideation
Thinking about, considering, or planning suicide.
Psychiatric Assessment
A comprehensive evaluation of a person’s mental health, involving the examination of a person's psychological, biological, and social factors.
Facial Expressions
External manifestations of emotions or feelings which can be observed on a person's face.
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